Garmin Edge 840 Solar – Solar-Charging GPS Cycling Computer with Adaptive Coaching

Meet the Garmin Edge 840 Solar, a high-performance cycling computer designed for riders who want precise navigation, personalized coaching, and longer rides powered by solar charging. The blend of a responsive touchscreen and reliable physical buttons gives you flexible control in any weather while you focus on the road ahead.

Smart coaching that adapts to you

When paired with a compatible power meter and heart rate monitor, Edge 840 Solar delivers targeted power targets along your course. It analyzes your training load and recovery, surfacing on-screen prompts and suggested workouts that evolve with your progress. This helps you plan efforts that match your goals without guessing what to do next.

• Power targets to guide effort on climbs, flats, and intervals
• Stamina insights to gauge how long you can sustain your current pace
• Missed-workout prompts to help you stay on track

Navigation you can trust in every environment

Multi-band GNSS provides enhanced positioning in dense tree cover, urban canyons, and challenging routes. You can view ascent and grade with ClimbPro on every ride, and plan or review routes on the device or in Garmin Connect.

• Precise mapping for roads, trails, and gravel paths
• Ride-type maps highlight popular roads and searchable points of interest
• Integrated, on-device planning for quick adjustments mid-ride

Power, endurance, and versatility

Solar charging extends ride time, helping you ride longer without stopping for a charge. In demanding use, expect up to 26 hours of operation; with direct sunlight, up to 32 hours. In battery saver mode, the device can reach 42 hours or up to 60 hours with solar charging. Solar can add roughly 25 minutes per hour during daytime rides in saver mode.

Riders appreciate the ability to customize data fields, view climb metrics, and sync workouts with Garmin Connect for analysis and progression. For daily training cycles, you can preview upcoming workouts and check readiness, making it easier to stay on track with your personal plan.

Real-world benefits for every ride

Whether you’re on road, gravel, or indoor training, Edge 840 Solar adapts to your bike type and supports your routine with reliable navigation, clear data, and a durable interface that you can rely on during a ride. It’s designed to help you understand your strengths and plan for upcoming goals without overpromising results.